April is one of the warmer months of the year in Whangarei, with average highs near 20.2°C and lows around 15.1°C (mean 17.7°C). It is about average for rainfall, averaging 99 mm of rainfall and 78% relative humidity across the period.
April is one of the warmer months of the year in Whangarei. Across 45 years of records, the warmest April in Whangarei was 2025 — when the month averaged 19.2°C — while the coldest was 1992 at 15.2°C. Typical April days reach 20.2°C with nights near 15.1°C. The long-term trend is warming, about 0.3°C per decade.
April is about average for rainfall in Whangarei, averaging 99 mm of rainfall. The wettest April on record was 2025 with 319 mm, while the driest was 2005 at 19 mm.
Relative humidity in Whangarei during April averages 78%. The most humid April was 2025 at 84%, and the least humid was 2005 at 73%.
April receives about 3.4 kWh/m²/day of solar energy in Whangarei. The sunniest April was 2005 at 3.9 kWh/m²/day, and the cloudiest was 2025 at 2.8.
Average wind speed in Whangarei during April is 5 m/s. The windiest Aprils were 2023 and 2025 at 6.5 m/s, while the calmest were 2007 and 2016 at 4.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.2°C | 17.3°C | 17.5°C | 18.1°C | 18.3°C | +1.1°C |
| Avg High | 19.8°C | 19.9°C | 19.9°C | 20.7°C | 20.7°C | +0.9°C |
| Avg Low | 14.6°C | 14.7°C | 15.2°C | 15.5°C | 15.9°C | +1.3°C |
| Avg Rain | 116 mm | 91 mm | 83 mm | 79 mm | 151 mm | +36 mm |
April temperatures in Whangarei have risen by about 1.3°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 9.1°C (1993) to a record high of 25.1°C (2017).
Rainfall in April is about average for rainfall, averaging 99 mm, with a wettest year of 319 mm.
A good time to visit Whangarei
April is a good time to visit Whangarei, with days averaging 20.2°C and nights around 15.1°C (mean 17.7°C, warmer than Whangarei's yearly average) and higher rainfall. February and January are marginally more temperate, but April still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 🔥 🌧️ | 21.2°C | 19.2°C | 17.2°C | 23.7°C | 14.0°C | 319 mm | 84% | 6.5 m/s | 2.8 |
| 2024 | 20.8°C | 18.2°C | 15.6°C | 23.8°C | 13.0°C | 86 mm | 76% | 5 m/s | 3.5 |
| 2023 | 20.3°C | 18.3°C | 16.3°C | 23.1°C | 11.8°C | 167 mm | 83% | 6.5 m/s | 2.9 |
| 2022 | 20.5°C | 18.4°C | 16.3°C | 24.4°C | 13.2°C | 165 mm | 80% | 5 m/s | 3.3 |
| 2021 | 20.8°C | 18.0°C | 15.3°C | 23.9°C | 11.6°C | 108 mm | 78% | 4.6 m/s | 3.7 |
| 2020 | 20.3°C | 17.5°C | 14.8°C | 23.3°C | 12.7°C | 62 mm | 77% | 4.8 m/s | 3.5 |
| 2019 | 20.5°C | 17.7°C | 14.8°C | 23.0°C | 12.0°C | 76 mm | 75% | 4.6 m/s | 3.7 |
| 2018 | 21.1°C | 18.1°C | 15.1°C | 24.0°C | 11.6°C | 63 mm | 77% | 5.2 m/s | 3.7 |
| 2017 | 21.1°C | 18.8°C | 16.5°C | 25.1°C | 13.1°C | 182 mm | 82% | 5.1 m/s | 3.3 |
| 2016 | 21.3°C | 18.6°C | 15.9°C | 24.9°C | 13.5°C | 62 mm | 76% | 4.1 m/s | 3.4 |
| 2015 | 20.7°C | 18.1°C | 15.6°C | 23.9°C | 12.5°C | 60 mm | 75% | 5.2 m/s | 3.6 |
| 2014 | 21.4°C | 18.6°C | 15.8°C | 23.7°C | 12.3°C | 74 mm | 78% | 4.7 m/s | 3.8 |
| 2013 | 21.1°C | 18.4°C | 15.7°C | 23.8°C | 13.8°C | 69 mm | 77% | 4.5 m/s | 3.4 |
| 2012 | 19.4°C | 17.3°C | 15.1°C | 21.2°C | 13.2°C | 86 mm | 80% | 5.8 m/s | 3.2 |
| 2011 | 19.8°C | 17.5°C | 15.1°C | 22.4°C | 11.1°C | 65 mm | 79% | 5.2 m/s | 3.6 |
| 2010 | 20.4°C | 17.8°C | 15.1°C | 22.3°C | 12.2°C | 49 mm | 77% | 4.5 m/s | 3.6 |
| 2009 | 19.8°C | 17.5°C | 15.3°C | 21.5°C | 10.5°C | 89 mm | 76% | 5.7 m/s | 3.2 |
| 2008 | 20.0°C | 17.9°C | 15.9°C | 22.1°C | 12.1°C | 167 mm | 80% | 5.2 m/s | 2.9 |
| 2007 | 19.6°C | 17.1°C | 14.5°C | 22.8°C | 12.2°C | 61 mm | 77% | 4.1 m/s | 3.7 |
| 2006 | 20.5°C | 18.3°C | 16.1°C | 23.4°C | 12.9°C | 102 mm | 82% | 5 m/s | 3.4 |
| 2005 | 20.8°C | 17.9°C | 15.0°C | 24.0°C | 9.7°C | 19 mm | 73% | 4.9 m/s | 3.9 |
| 2004 | 19.2°C | 16.6°C | 14.0°C | 22.5°C | 9.9°C | 48 mm | 78% | 4.6 m/s | 3.4 |
| 2003 | 19.8°C | 17.4°C | 15.0°C | 22.3°C | 11.2°C | 81 mm | 80% | 4.7 m/s | 3.3 |
| 2002 | 19.6°C | 17.3°C | 14.9°C | 22.4°C | 12.0°C | 61 mm | 76% | 5.3 m/s | 3.4 |
| 2001 | 19.6°C | 17.5°C | 15.5°C | 21.8°C | 12.0°C | 122 mm | 79% | 5.6 m/s | 3.1 |
| 2000 | 20.3°C | 17.9°C | 15.4°C | 23.1°C | 12.1°C | 83 mm | 78% | 4.9 m/s | 3.3 |
| 1999 | 20.0°C | 18.0°C | 16.0°C | 24.8°C | 13.0°C | 211 mm | 81% | 5.9 m/s | 2.9 |
| 1998 | 21.3°C | 18.8°C | 16.3°C | 24.5°C | 13.3°C | 111 mm | 80% | 4.7 m/s | 3 |
| 1997 | 19.2°C | 16.4°C | 13.7°C | 23.3°C | 11.0°C | 55 mm | 76% | 5.3 m/s | 3.4 |
| 1996 | 20.5°C | 18.1°C | 15.7°C | 22.9°C | 12.2°C | 112 mm | 80% | 4.9 m/s | 3.2 |
| 1995 | 20.8°C | 18.7°C | 16.5°C | 24.1°C | 11.5°C | 109 mm | 83% | 4.7 m/s | 3.6 |
| 1994 | 19.8°C | 17.1°C | 14.3°C | 22.6°C | 9.7°C | 66 mm | 78% | 4.9 m/s | 3.5 |
| 1993 | 19.1°C | 16.2°C | 13.3°C | 22.3°C | 9.1°C | 47 mm | 78% | 4.7 m/s | 3.5 |
| 1992 ❄️ | 18.1°C | 15.2°C | 12.3°C | 23.3°C | 9.3°C | 55 mm | 76% | 4.5 m/s | 3.5 |
| 1991 | 19.0°C | 16.4°C | 13.8°C | 21.9°C | 11.0°C | 80 mm | 77% | 5.6 m/s | 3.4 |
| 1990 | 21.1°C | 18.2°C | 15.4°C | 22.9°C | 13.4°C | 62 mm | 77% | 4.8 m/s | 3.6 |
| 1989 | 20.3°C | 17.8°C | 15.2°C | 23.0°C | 12.8°C | 98 mm | 74% | 4.9 m/s | 3.4 |
| 1988 | 19.5°C | 16.9°C | 14.4°C | 22.3°C | 11.6°C | 79 mm | 77% | 5.3 m/s | 3.4 |
| 1987 | 19.7°C | 17.1°C | 14.4°C | 22.3°C | 11.6°C | 72 mm | 80% | 6.1 m/s | 3.1 |
| 1986 | 20.6°C | 17.6°C | 14.7°C | 23.4°C | 11.9°C | 43 mm | 76% | 4.5 m/s | 3.6 |
| 1985 | 18.9°C | 17.0°C | 15.1°C | 23.5°C | 11.0°C | 221 mm | 80% | 5.8 m/s | 3.3 |
| 1984 | 19.8°C | 16.8°C | 13.9°C | 23.8°C | 10.0°C | 42 mm | 77% | 4.3 m/s | 3.7 |
| 1983 | 19.5°C | 17.2°C | 14.8°C | 22.6°C | 10.9°C | 266 mm | 82% | 5 m/s | — |
| 1982 | 18.9°C | 16.2°C | 13.5°C | 22.7°C | 10.9°C | 145 mm | 78% | 4.2 m/s | — |
| 1981 | 21.4°C | 18.4°C | 15.4°C | 23.6°C | 13.3°C | 76 mm | 76% | 4.2 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 20.2°C with lows near 15.1°C (mean 17.7°C), based on 45 years of NASA POWER data.
April averages 99 mm of rainfall in Whangarei, about average for rainfall. The wettest on record was 319 mm in 2025.
The hottest April reached 25.1°C in 2017. The coldest dipped to 9.1°C in 1993.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1.3°C. Daytime highs moved from 19.7°C to 20.7°C and overnight lows from 14.5°C to 16.1°C over the same span.
April is one of the warmer months of the year in Whangarei and about average for rainfall, so plan for around 20.2°C daytime highs and 15.1°C at night.
Not quite — April is the 8th coolest month in Whangarei, averaging 17.7°C.
For April in Whangarei, pack light layers you can adjust through the day, with typical highs of 20.2°C and lows of 15.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 78% — quite humid.
Average wind speed in April is 5 m/s. The windiest April on record averaged 6.5 m/s (2023).
The wettest April on record was 2025 with 319 mm. On average, April sees 99 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Whangarei behaves each April, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for April specifically, along with year-by-year records and how the month has changed over the decades.